Naomi Judd, part of the Grammy-award winning country music duo The Judds, is dead at 76.

Judd's daughters, country singer Wynonna and actress Ashley Judd, confirmed the artist's death in a statement on Saturday.

 "Today we sisters experienced a tragedy. We lost our beautiful mother to the disease of mental illness," they wrote in a statement.

"We are shattered. We are navigating profound grief and know that as we loved her, she was loved by her public. We are in unknown territory."

As a member of The Judds with her daughter Wynonna, Naomi Judd recorded and performed as one of the most successful mother-daughter.

Naomi Judd, part of the Grammy-award winning country music duo The Judds, is dead at 76.

The Judds' hits included 1984's "Mama He's Crazy," which won the group their first Grammy Award, 1985's and 1990's "Love Can Build a Bridge."

Last year The Judds were announced as inductees into the Country Music Hall of Fame, and were set to be inducted on Sunday.

Naomi Judd was born Diana Ellen Judd on January 11, 1946, in Ashland, Ky. and gave birth to Wynonna the week of her high school graduation.

As the Judds, Naomi and Wynonna were one of the best country acts of the beyond 40 years.

The Country Music Hall of Fame and Museum joins family and fans in lamenting the abrupt loss of Naomi Judd.

"I think it was a natural progression of Mom hearing my voice and humming along," Wynonna Judd told NPR's Scott Simon in 2010.

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